The Gígjökull track is a rugged detour off F249 that leads to the striking Gígjökull glacier tongue, offering a dramatic view of one of Eyjafjallajökull's glacier outlets. This unofficial track, often visited by guided tours, features up to three fast-flowing river crossings depending on the approach and demands a large 4x4 vehicle—ideally a super jeep with high clearance.

As a non-F-road, the Gígjökull track is more difficult than standard highland routes, often not covered by rental insurance, and suitable only for experienced drivers with off-road and river-crossing skills. Always check conditions in advance and confirm with your rental provider before attempting the route.

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